/**
 * @author gaopeng
 * @date 2019/12/16 9:52 下午
 */
public class Client {
    public static void main(String[] args) {
        HanFeiZi hanFeiZi = new HanFeiZi();
        hanFeiZi.setChanged();
        hanFeiZi.addObserver(new LiSi());
        hanFeiZi.haveFun();
    }
}
